UNKNOWN { if: } UNKNOWN { MSIE: } UNKNOWN { NN: this won't find nested layers return document.layers[objectId]; } else { return false; } } function SetTimer()//主导航时间延迟的函数 { for(j=1; j <10; j++){ if (j == number){ if(getObject("mm"+j)!=false){ getObject("mm"+ number).className = "menuhover"; getObject("mb"+ number).className = ""; } } else{ if(getObject("mm"+j)!=false){ getObject("mm"+ j).className = ""; getObject("mb"+ j).className = "hide"; } } } } function CheckTime()//设置时间延迟后 { secondLeft--; if ( secondLeft == 0 ) { clearInterval(timer); SetTimer(); } } function showM(thisobj,Num)//主导航鼠标滑过函数,带时间延迟 { number = Num; sourceObj = thisobj; secondLeft = 1; timer = setTimeout('CheckTime()',100); } function OnMouseLeft()//主导航鼠标移出函数,清除时间函数 { clearInterval(timer); }